Adapts Avid 74mm calipers to 74mm post mount frames and forks Most adapters do not include CPS/nonCPS mounting hardware ('+hardware' kits include applicable stainless steel mounting hardware) NonCPS hardware used on 2012+ XX-series and 2013+ XO-series brake designs for reduced weight (+ 20mm) takes a 160mm PM fork/frame to 180mm, or a 180mm PM fork/frame to 200mm (+ 40mm) takes a 160mm PM fork/frame to 200mm, a 180mm PM fork/frame to 220mm